================================================================================ UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18 shift exponent 109 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 9893 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:327 red_calc_qavg_from_idle_time include/net/red.h:312 [inline] red_calc_qavg include/net/red.h:353 [inline] red_enqueue.cold+0x64/0x452 net/sched/sch_red.c:77 __dev_xmit_skb net/core/dev.c:3837 [inline] __dev_queue_xmit+0x1943/0x2e00 net/core/dev.c:4150 neigh_hh_output include/net/neighbour.h:499 [inline] neigh_output include/net/neighbour.h:508 [inline] ip6_finish_output2+0x911/0x1700 net/ipv6/ip6_output.c:117 __ip6_finish_output net/ipv6/ip6_output.c:182 [inline] __ip6_finish_output+0x4c1/0xe10 net/ipv6/ip6_output.c:161 ip6_finish_output+0x35/0x200 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:290 [inline] ip6_output+0x1e4/0x530 net/ipv6/ip6_output.c:215 dst_output include/net/dst.h:448 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] mld_sendpack+0x92a/0xdb0 net/ipv6/mcast.c:1679 mld_send_cr net/ipv6/mcast.c:1975 [inline] mld_ifc_timer_expire+0x60a/0xf10 net/ipv6/mcast.c:2474 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745 __run_timers kernel/time/timer.c:1726 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu kernel/softirq.c:422 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 RIP: 0010:kfree+0x131/0x2b0 mm/slab.c:3798 Code: 0e 4c 89 ea 48 89 ee 4c 89 e7 e8 4a f7 ff ff 48 85 db 0f 85 b3 00 00 00 9c 58 f6 c4 02 0f 85 44 01 00 00 48 85 db 74 01 fb 5b <5d> 41 5c 41 5d c3 65 8b 05 ea a2 4a 7e 83 f8 07 0f 87 31 01 00 00 RSP: 0018:ffffc90016836c88 EFLAGS: 00000206 RAX: 0000000000000002 RBX: ffff88801e737d80 RCX: 1ffffffff1f5765a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88801e737d80 R08: 0000000000000001 R09: ffffffff8faae887 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888010840100 R13: ffffffff87187330 R14: ffffc90016836d80 R15: dffffc0000000000 ptr_ring_resize_multiple include/linux/ptr_ring.h:650 [inline] skb_array_resize_multiple include/linux/skb_array.h:206 [inline] pfifo_fast_change_tx_queue_len+0x8e0/0xaf0 net/sched/sch_generic.c:778 qdisc_change_tx_queue_len net/sched/sch_generic.c:1256 [inline] dev_qdisc_change_tx_queue_len+0x1c1/0x300 net/sched/sch_generic.c:1270 dev_change_tx_queue_len+0x149/0x180 net/core/dev.c:8846 do_setlink+0xa4f/0x3a70 net/core/rtnetlink.c:2731 rtnl_group_changelink net/core/rtnetlink.c:3227 [inline] __rtnl_newlink+0xbe0/0x1710 net/core/rtnetlink.c:3381 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3491 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5553 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465f69 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f01ba334188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00000000004bfa67 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff03c19ebf R14: 00007f01ba334300 R15: 0000000000022000 ================================================================================